Finding the Fourth Proportional to 303,942.52, 419,460.56 and 201,808.08
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Solution
The fourth proportional to 303,942.52, 419,460.56 and 201,808.08 is: 278,508.35
Step by Step Solution
- Step 1: Write the proportion equation
303,942.52 : 419,460.56 = 201,808.08 : x - Step 2: Convert to fraction form
303,942.52/419,460.56 = 201,808.08/x - Step 3: Cross multiply
303,942.52x = 419,460.56 × 201,808.08 - Step 4: Simplify right side
303,942.52x = 84,650,530,249.32 - Step 5: Solve for x
x = 84,650,530,249.32/303,942.52 - Step 6: Final answer
x = 278,508.35
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.